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Science News Archive 2021 - Page 88


Page 88 of 510

Nanotwinned titanium forges path to sustainable manufacturing

Researchers at Lawrence Berkeley National Laboratory have discovered a new path forward for processing titanium. Cryo-forging at ultra-low temperatures produces extra-strong nanotwinned titanium with improved strength and ductility. The material maintains its structure and properties at extreme temperatures, demonstrating its versatility.

SourceDOE/Lawrence Berkeley National Laboratory·JournalScience·TypeExperimental study·DateOct 20, 2021

Depression, anxiety may be linked to c-section risk among pregnant women

A Michigan Medicine study found that perinatal mood and anxiety disorders are associated with significantly higher rates of first-time cesarean deliveries among low-risk pregnant women. The study suggests that identifying and treating these disorders in pregnant women may help reduce the risk of cesarean section deliveries.

SourceMichigan Medicine - University of Michigan·JournalHealth Affairs·DateOct 20, 2021

ImCheck publishes comprehensive overview of the development results of its first-in-class cancer immunotherapeutic targeting BTN3A to activate Vγ9Vδ2 T cells in Science Translational Medicine

ImCheck's ICT01 selectively activates Vγ9Vδ2 T cells through all three isoforms of BTN3A, overcoming prior limitations. The therapy demonstrates anti-tumor activity in solid and hematologic cancer models.

SourceTrophic Communications·JournalScience Translational Medicine·TypeRandomized controlled/clinical trial·DateOct 20, 2021
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

Scientists publish first large-scale census of coral heat tolerance

A study published in Proceedings of the Royal Society B: Biological Sciences provides immediate actions for the world's largest coral restoration program. Researchers found significant variation in the heat tolerance of staghorn corals, with certain strains exhibiting higher resistance to warming oceans.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·JournalProceedings of the Royal Society B Biological Sciences·TypeExperimental study·DateOct 20, 2021

How cultural differences shape responses to COVID-19

A study of cross-cultural differences in COVID-19 knowledge and attitudes found that people in Europe and the US had the lowest knowledge and adherence to safety measures. In contrast, people in the Middle East and Asia were more aware of COVID-19 and took greater precautions.

SourceMcGill University·JournalInternational Journal of Mental Health and Addiction·TypeData/statistical analysis·DateOct 20, 2021

Anionic Nickel

Researchers discovered that nickel can catalyze the cross-coupling of aryl ethers through a nickelate anion. This reaction pathway relies on the formation and stability of the catalyst, providing an alternative to traditional palladium-catalyzed cross-couplings.

SourceWiley·JournalAngewandte Chemie International Edition·TypeExperimental study·DateOct 20, 2021
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

Choosing ‘good migrants’ for ‘Global Britain’

The UK's new visa for Hong Kongers is framed as a haven for Britain's former colonial subjects, but Professor Michaela Benson warns of 'undoubtedly colonialist overtones'. The visa scheme has been criticized for its selective nature and perceived biases towards certain migrants.

SourceLancaster University·JournalCurrent Sociology·TypeCommentary/editorial·DateOct 20, 2021

Hit the sleep ‘sweet spot’ to keep brain sharp

A multi-year study found that both short and long sleepers experience greater cognitive decline than those who slept a moderate amount. Researchers separated out the effects of poor sleep and Alzheimer's disease on cognition, suggesting a middle range or 'sweet spot' for total sleep time where cognitive performance is stable over time....

SourceWashU Medicine·JournalBrain·TypeObservational study·DateOct 20, 2021

Characteristics of bone loss in postmenopausal women

The study of 686 Finnish women found that postmenopausal bone loss is approximately 10% over a 25-year period. Taking hormone replacement therapy and gaining weight during follow-up were linked to lower postmenopausal bone loss rates.

SourceWiley·JournalJournal of Bone and Mineral Research·DateOct 20, 2021
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Discovery of a potential new therapy for inflammatory arthritis

A study published in Science Translational Medicine reveals that blocking the excess production of MIF could lead to disease remission and prevent disability and mortality linked to SpA. Researchers have successfully tested a MIF blocker, called MIF098, in pre-clinical models.

SourceUniversity Health Network·JournalScience Translational Medicine·DateOct 20, 2021

Citizen scientists help assure quality of coastal biodiversity monitoring

A study in Brazil's Santos city showed that citizen science collaboration between civil society and academia can achieve progress toward ocean conservation goals. The project developed a methodology for integrating civil society and academia, including training and validation of monitoring protocols.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalFrontiers in Marine Science·DateOct 20, 2021
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

What drove the invention of military technologies?

The study found that advances in iron metallurgy, horse riding, and agricultural productivity played a significant role in the development of military machines. Mega-empires emerged as societies supporting tens of millions of inhabitants and covering vast territories.

SourceComplexity Science Hub·JournalPLOS ONE·TypeData/statistical analysis·DateOct 20, 2021

Does a lifetime of vigorous exercise increase the risk of developing ALS?

A new study suggests that vigorous exercise during leisure time is not associated with an increased risk of developing amyotrophic lateral sclerosis (ALS). However, intense physical activity at work hours was linked to a higher risk, possibly due to repetitive motion or exposure to chemicals. Moderate exercise, even after symptoms begi...

SourceAmerican Academy of Neurology·JournalNeurology·DateOct 20, 2021

COVID-19 vaccine effectiveness in adolescents

The study shows that COVID-19 vaccine effectiveness is substantial in adolescents, with a 93% decrease in symptomatic cases and a 90% decrease in documented infections after the second dose. Vaccine effectiveness was lower but still significant before the second dose.

SourceClalit Research Institute·JournalNew England Journal of Medicine·TypeData/statistical analysis·DateOct 20, 2021

Cascade-responsive nanobomb for anti-tumor synergistic therapies

Scientists developed a cascade-responsive nanobomb that generates multiple severe ROS storms at the tumor site, effectively inhibiting tumor growth and preventing metastasis. The device uses a domino effect to activate systemic immune responses while minimizing external energy stimulation.

SourceScience China Press·JournalNational Science Review·DateOct 20, 2021
Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Climate change will diminish the number of birch trees in Bavaria by the end of the century

A mathematical model based on 30 years of pollen data predicts a decline in pollination in Bavarian forests due to climate change. The study forecasts a reduction in birch trees in the region by the end of the century, with warmer summers initially favoring pollen production but ultimately leading to a decline in plant populations.

SourceUniversity of Córdoba·JournalGlobal Change Biology·DateOct 20, 2021

Vaccines offer strong protection against death from Delta, study says

A new study published in the New England Journal of Medicine shows that vaccination is over 90% effective in preventing deaths from the Delta variant of Covid-19. The Pfizer-BioNTech and Oxford-AstraZeneca vaccines were found to be highly effective, with the former showing a 90% effectiveness rate and the latter at 91%.

SourceUniversity of Edinburgh·JournalNew England Journal of Medicine·TypeData/statistical analysis·DateOct 20, 2021
Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Scientists enable a blind woman to see simple shapes

Researchers successfully implanted a microelectrode array in the visual cortex of a blind volunteer, allowing her to identify lines, shapes and simple letters. The implant stimulated neurons to produce phosphenes, creating an image and demonstrating safety and efficacy.

SourceNetherlands Institute for Neuroscience - KNAW·JournalJournal of Clinical Investigation·TypeExperimental study·DateOct 20, 2021

Cognitive behavior therapy conducted by telephone may ease arthritis-related insomnia

A new study found that telephone cognitive behavioral therapy can effectively improve sleeplessness and pain in older adults with osteoarthritis-related insomnia, reducing clinical and financial burdens. The study showed that telephone CBT reduced healthcare costs without increasing them.

SourceAmerican Geriatrics Society·JournalJournal of the American Geriatrics Society·TypeRandomized controlled/clinical trial·DateOct 20, 2021

Magnetic seizure therapy may be attractive alternative to electricity

Researchers investigated whether continued magnetic seizure therapy (MST) could effectively prevent the relapse of treatment-resistant depression. The study found that MST was associated with a lower relapse rate compared to earlier research assessing one-time, acute MST.

SourceUniversity of California - San Diego·JournalThe Journal of Clinical Psychiatry·DateOct 20, 2021
GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

No overall link between concussion, length of career and cognitive function in retired male elite rugby union players aged 50+

A new study found that retired male elite rugby union players aged 50+ who suffered three or more rugby-related concussions during their career have no worse average cognitive function than those with no, one, or two concussions. However, over-75s with a history of multiple concussions showed significantly worse cognitive function on a...

SourceLondon School of Hygiene & Tropical Medicine·JournalAlzheimer s & Dementia·DateOct 20, 2021

Origin of domestic horses finally established

A study led by Ludovic Orlando found that modern domestic horses were first domesticated in the Pontic-Caspian steppes around 2000-2200 BC. The genetic profile of these horses spread rapidly across Eurasia, replacing other horse populations and facilitating their conquest of the region.

SourceCNRS·JournalNature·DateOct 20, 2021
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

First artificial scaffolds for studying plant cell growth

Plant biologists at Washington University in St. Louis have developed the first artificial scaffolds that can support individual plant cells, mimicking the properties of plant cell walls. The scaffolds demonstrate promising results for studying plant cell adhesion and growth.

SourceWashington University in St. Louis·JournalScience Advances·TypeExperimental study·DateOct 20, 2021

Scientists use sintered porous media to build compact, efficient heat exchangers

Researchers from The University of Electro-Communications and Tokyo University of Agriculture and Technology found that sintering porous media inside heat transfer tubes increases the area available for heat exchange, reducing thermal resistance and enhancing heat transfer performance. Heat transfer in these tubes is five times greater...

SourceThe University of Electro-Communications·JournalApplied Thermal Engineering·TypeExperimental study·DateOct 20, 2021

Rise of the war machines: Identifying key drivers of the evolution of military technology in pre-industrial societies

A new analysis spanning 10,000 years of history and ten major world regions found that world population size, major technological advances, and geographical connectivity are key drivers of military technology evolution. The study's methodology employed a resource called Seshat: Global History Databank to empirically test prior hypotheses.

SourcePLOS·JournalPLOS ONE·TypeComputational simulation/modeling·DateOct 20, 2021
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

When humanlike chatbots miss the mark in customer service interactions

Researchers found that humanlike chatbots raise unrealistic expectations, leading to lower satisfaction and purchase intentions in angry customers. To mitigate this effect, companies should deploy non-humanlike chatbots in customer service situations where customers tend to be angry.

SourceAmerican Marketing Association·JournalJournal of Marketing·DateOct 20, 2021

Lightweight electric wristband heaters for constant, portable warmth

Researchers develop conductive, wash-durable yarn for wearable heaters using poly(3,4-ethylenedioxythiophene) and poly(4-styrenesulfonate). The treated yarn can distribute heat at a safe operating voltage when sewn into fabric, providing steady warmth even in cold conditions.

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateOct 20, 2021
Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

A radical shift to link soot formation and interstellar evolution

KAUST researchers propose a radical new mechanism for polycyclic aromatic hydrocarbon (PAH) formation, which consumes fewer radicals than current hypotheses. The mechanism involves resonance-stabilized radicals, allowing successive addition reactions to occur without activation.

SourceKing Abdullah University of Science & Technology (KAUST)·JournalThe Journal of Physical Chemistry A·TypeExperimental study·DateOct 20, 2021

Male-female differences in heart disease could start before birth

A team of scientists has discovered that male-female differences in protein expression occur immediately after embryonic cells become heart cells called cardiomyocytes. This finding provides new opportunities for research into cardiac disease and treatment, as well as advancing the biological study of sex differences.

SourceUniversity of North Carolina Health Care·JournalDevelopmental Cell·TypeExperimental study·DateOct 20, 2021

Salmon decline impacted by “squeeze” of combined river and sea stressors

A recent study published in Global Change Biology found that declines of Pacific salmon and trout are associated with 40 years of changes in their combined marine and freshwater ecosystems. The study reveals that stressors in both environments combine to impact fish resiliency, resulting in lower survival rates in rivers and the sea.

SourceSimon Fraser University·JournalGlobal Change Biology·TypeData/statistical analysis·DateOct 20, 2021
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Radioactive metals for medicine get a boost from recently discovered protein

A recent study from Penn State and Lawrence Livermore National Laboratory has discovered a natural protein called lanmodulin that can recover and purify radioactive metals like actinium. The protein-based approach simplifies the purification process, reduces costs, and enables the production of higher-purity actinium.

SourcePenn State·JournalScience Advances·TypeExperimental study·DateOct 20, 2021

Immunotherapy may benefit patients with cancer that has spread to tissues around the brain

Researchers at Massachusetts General Hospital have found that immune checkpoint inhibitors can generate promising results in patients with leptomeningeal carcinomatosis (LMD), a rare complication of cancer. The treatment showed increased activity in cancer-killing immune cells and expression of particular genes within cells.

SourceMassachusetts General Hospital·JournalNature Communications·TypeRandomized controlled/clinical trial·DateOct 20, 2021

Seek and you shall find.

The study utilizes gas-phase electrophoresis (GEMMA) to separate nanovesicles from proteins in natural samples. This allows for accurate attribution of effects to transport vesicles, crucial for understanding cellular communication and metabolism. The method has significant implications for extracellular vesicle research and its releva...

SourceVienna University of Technology·JournalAnalytical and Bioanalytical Chemistry·TypeExperimental study·DateOct 20, 2021

New technique paves the way for perfect perovskites

A new instrument at the Advanced Light Source enables simultaneous measurement of crystal structure and optical properties during perovskite synthesis. This allows for real-time monitoring of material quality and performance, leading to potentially more efficient solar cells.

SourceDOE/Lawrence Berkeley National Laboratory·JournalNature Communications·TypeExperimental study·DateOct 19, 2021

Research reveals potential new strategy to combat urinary tract infections

A potential new therapy for urinary tract infections has been discovered using the FDA-approved anti-inflammatory drug dimethyl fumarate, which activates the NRF2 pathway. This balance between eliminating bacteria and minimizing tissue damage is crucial to treating UTIs.

SourceBaylor College of Medicine·JournalCell Reports·TypeExperimental study·DateOct 19, 2021
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Motorized droplets thanks to feedback effects

A team of physicists created 'droploids', self-propelled droplets containing colloidal particles that act as internal motors. The researchers used laser light to activate the system, creating a feedback loop that propels the droplets forward.

SourceHeinrich-Heine University Duesseldorf·JournalNature Communications·DateOct 19, 2021

Climate change affects animal behavior

A study on over 100 species found that climate change affects animal behavior, including changes in aggression, activity, and sociability. The researchers believe that behavioral changes can serve as a buffer for animals to avoid negative effects of environmental change.

SourceUniversity of Helsinki·JournalOikos·TypeMeta-analysis·DateOct 19, 2021

Exploring sustainable pathways by balancing food security, trade, and environmental impacts in China

A recent study in Nature Sustainability explores sustainable pathways for China's increasing food demand while balancing trade and environmental impacts. The research highlights the importance of integrating global optimization towards SDGs to address challenges such as food security, water shortage, and greenhouse gas emissions.

SourceChinese Academy of Sciences Headquarters·JournalNature Sustainability·TypeMeta-analysis·DateOct 19, 2021
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.